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1.
The intense orgasm some people, male or female, experience when climbing a rope or pole.
I had a polegasm in PE
by Dr P J Fingerwell April 21, 2010
 
2.
The feeling one pole dance/fitness enthusiast gets when she/he sees the perfect opportunity to publicly pole (street sign, tree, scaffolding, etc.).
Oh my goodness! Do you see that street sign? I'm going to have to do a trick before I have a polegasm!
by MzChristalG July 20, 2011